| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2910.0 | USD | 20190822 |
| Unknown | China national standards | MT | 2480.0 | USD | 20190820 |
| Unknown | China national standards | MT | 5830.0 | USD | 20190819 |
| Unknown | China national standards | MT | 2490.0 | USD | 20190817 |
| Unknown | China national standards | MT | 5830.0 | USD | 20190816 |
| Unknown | China national standards | MT | 2910.0 | USD | 20190813 |
| Unknown | China national standards | MT | 40230.0 | USD | 20190811 |
| Unknown | China national standards | MT | 17490.0 | USD | 20190801 |
| Unknown | China national standards | MT | 40930.0 | USD | 20190801 |
| Unknown | China national standards | MT | 20470.0 | USD | 20190801 |